ApplicationsFor CHEV V8 283, 307, 327, 350, 400, 396, 427, 454 Dual bolt pattern fits either 153 or 168 tooth flywheel / flexplates. Allows starter to be used with automaticmanual transmissions Will not fit a staggered mount OEM Number1248-83Specifications Mount Hole Dia.2X10 Flange Diameter82 Pinion Diameter28 Overall Length (mm)198 Mount Hole Diameter 83 Pinion at rest10 RotationCW Voltage12 Kilowatts1.2KW Pinion type10 tooth SMALLEST STARTER ON THE MARKET 3HP MOTOR MULTI POSITION MOUNTING Condition: Brand NewNoticeProfessional installation is highly recommended (No Instruction Included) For any needs please contact us